.wrapper {
	width: 100%;
	height: 100%;
	background-color: #f5f5f5;
}

.form-box {
	position: absolute;
	top: 50%;
	left: 50%;
	padding: 50px 0;
	width: 400px;
	height: 280px;
	margin-top: -300px;
	margin-left: -200px;
	border: 1px solid #ccc;
	box-shadow: 0 0 5px 3px #ccc;
	border-radius: 5px;
	background-color: #fff;
}

.form-box .username,.form-box .password {
	text-align: center;
	margin-bottom: 20px;
}
.form-box label {
	display: inline-block;
	margin-right: 15px;
	width: 80px;
	text-align: right;
	font-size: 16px;
	color: #555;
	line-height: 40px;
}
.form-box .input {
	width: 200px;
	height: 40px;
	line-height: 40px;
	border: 1px solid #ddd;
	border-radius: 3px;
	padding: 0 10px;
	outline: none;
}
.form-box .submit-btn {
	text-align: center;
}
.form-box .btn {
	width: 220px;
	height: 40px;
	margin-left: 100px;
	border: 1px solid #3385ff;
	background-color: #3385ff;
	color: #fff;
	font-size: 16px;
	border-radius: 3px;
	outline: none;
	cursor: pointer;
}

.form-box .btn:hover {
	border: 1px solid #2868c8;
	background-color: #2868c8;
}